grafana/.github/workflows/detect-breaking-changes-build.yml

# Only runs if anything under the packages/ directory changes. 
# (Otherwise detect-breaking-changes-build-skip.yml takes over)

name: Levitate / Detect breaking changes

on: 
  pull_request:
    paths:
      - 'packages/**'

jobs:
  buildPR:
    name: Build PR
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: './pr'

    steps:
    - uses: actions/checkout@v3
      with:
        path: './pr'
    - uses: actions/setup-node@v3.5.1
      with:
        node-version: 16.16.0

    - name: Get yarn cache directory path
      id: yarn-cache-dir-path
      run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT

    - name: Restore yarn cache
      uses: actions/cache@v3.0.11
      id: yarn-cache
      with:
        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
        key: yarn-cache-folder-${{ hashFiles('**/yarn.lock', '.yarnrc.yml') }}
        restore-keys: |
                    yarn-cache-folder-

    - name: Install dependencies
      run: yarn install --immutable

    - name: Build packages
      run: yarn packages:build

    - name: Pack packages
      run: yarn packages:pack --out ./%s.tgz

    - name: Zip built tarballed packages
      run: zip -r ./pr_built_packages.zip ./packages/**/*.tgz

    - name: Upload build output as artifact
      uses: actions/upload-artifact@v3
      with:
        name: buildPr
        path: './pr/pr_built_packages.zip'

  buildBase:
    name: Build Base
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: './base'

    steps:
    - uses: actions/checkout@v3
      with:
        path: './base'
        ref: ${{ github.event.pull_request.base.ref }}

    - uses: actions/setup-node@v3.5.1
      with:
        node-version: 16.16.0

    - name: Get yarn cache directory path
      id: yarn-cache-dir-path
      run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT

    - name: Restore yarn cache
      uses: actions/cache@v3.0.11
      id: yarn-cache
      with:
        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
        key: yarn-cache-folder-${{ hashFiles('**/yarn.lock', '.yarnrc.yml') }}
        restore-keys: |
                    yarn-cache-folder-

    - name: Install dependencies
      run: yarn install --immutable

    - name: Build packages
      run: yarn packages:build

    - name: Pack packages
      run: yarn packages:pack --out ./%s.tgz

    - name: Zip built tarballed packages
      run: zip -r ./base_built_packages.zip ./packages/**/*.tgz

    - name: Upload build output as artifact
      uses: actions/upload-artifact@v3
      with:
        name: buildBase
        path: './base/base_built_packages.zip'

  Detect:
    name: Detect breaking changes
    runs-on: ubuntu-latest
    needs: ['buildPR', 'buildBase']
    env:
      GITHUB_STEP_NUMBER: 8

    steps:
      - uses: actions/checkout@v3

      - name: Get built packages from pr
        uses: actions/download-artifact@v3
        with:
          name: buildPr

      - name: Get built packages from base
        uses: actions/download-artifact@v3
        with:
          name: buildBase

      - name: Unzip artifact from pr
        run: unzip -j pr_built_packages.zip -d ./pr && rm pr_built_packages.zip

      - name: Unzip artifact from base
        run: unzip -j base_built_packages.zip -d ./base && rm base_built_packages.zip

      - name: Get link for the Github Action job
        id: job
        uses: actions/github-script@v6
        with:
          script: |
              const name = 'Detect breaking changes';
              const script = require('./.github/workflows/scripts/pr-get-job-link.js')
              await script({name, github, context, core})              

      - name: Detect breaking changes
        id: breaking-changes
        run: ./scripts/check-breaking-changes.sh
        env:
          FORCE_COLOR: 3
          GITHUB_JOB_LINK: ${{ steps.job.outputs.link }}

      - name: Persisting the check output
        run: |
            mkdir -p ./levitate
            echo "{ \"exit_code\": ${{ steps.breaking-changes.outputs.is_breaking }}, \"message\": \"${{ steps.breaking-changes.outputs.message }}\", \"job_link\": \"${{ steps.job.outputs.link }}#step:${GITHUB_STEP_NUMBER}:1\", \"pr_number\": \"${{ github.event.pull_request.number }}\" }" > ./levitate/result.json            

      - name: Upload check output as artifact
        uses: actions/upload-artifact@v3
        with:
          name: levitate
          path: levitate/

      - name: Exit
        run: exit ${{ steps.breaking-changes.outputs.is_breaking }}
        shell: bash